:root {
    --bg-dark: #010103;
    --bg-darker: #000000;
    --accent: #00ff9c;
    --accent-glow: rgba(0, 255, 156, 0.2);
    --text-main: #e0ffe8;
    --text-muted: rgba(224, 255, 232, 0.75);
    --font-sans: "Space Grotesk", system-ui, sans-serif;
    --font-mono: "Share Tech Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--bg-darker);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    position: relative;
    overflow: hidden;
}

.bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    background:
        radial-gradient(circle at 25% 20%, rgba(0, 120, 90, 0.5), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(0, 120, 90, 0.35), transparent 55%),
        radial-gradient(circle at 60% 70%, rgba(0, 120, 90, 0.3), transparent 50%);
    filter: blur(24px);
    animation: glowPulse 14s ease-in-out infinite alternate;
    opacity: 0.5;
}

.bg-grid {
    background-image:
        repeating-linear-gradient(0deg, rgba(0, 255, 156, 0.035) 0, transparent 2px, transparent 70px),
        repeating-linear-gradient(90deg, rgba(0, 255, 156, 0.035) 0, transparent 2px, transparent 70px);
    mix-blend-mode: screen;
    opacity: 0.15;
    animation: gridDrift 30s linear infinite;
}

.bg-scanlines {
    background-image: repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.82) 0 1px, rgba(0, 0, 0, 0) 1px 3px);
    mix-blend-mode: multiply;
    opacity: 0.55;
    animation: scanlinePulse 6s ease-in-out infinite;
}

.bg-particles {
    background-image:
        radial-gradient(circle, rgba(0, 255, 156, 0.25) 0%, transparent 60%),
        radial-gradient(circle, rgba(0, 255, 156, 0.1) 0%, transparent 70%);
    background-size: 180px 180px, 260px 260px;
    background-position: 0 0, 80px 120px;
    opacity: 0.3;
    animation: particleDrift 18s linear infinite;
}

.bg-particles::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(90deg, rgba(0, 255, 156, 0.06) 0 1px, transparent 1px 120px),
        repeating-linear-gradient(180deg, rgba(0, 255, 156, 0) 0 60px, rgba(0, 255, 156, 0.3) 60px 90px, rgba(0, 255, 156, 0) 90px 140px);
    background-size: 120px 100%, 120px 140px;
    background-position: 0 0, 0 0;
    animation: rain 7s linear infinite;
    opacity: 0.22;
    mix-blend-mode: screen;
}

.landing {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px clamp(24px, 6vw, 96px);
    gap: 32px;
    background: radial-gradient(circle at center, rgba(0, 255, 156, 0.08), transparent 35%);
}

.branding {
    text-align: center;
}

.wordmark {
    margin: 0;
    font-family: var(--font-mono);
    font-size: clamp(48px, 12vw, 120px);
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--text-main);
    text-shadow:
        0 0 20px rgba(0, 255, 156, 0.25),
        0 0 40px rgba(0, 255, 156, 0.15);
}

.teaser {
    max-width: 640px;
    text-align: center;
    margin: 0 auto;
}

.headline {
    font-size: clamp(20px, 3vw, 32px);
    line-height: 1.5;
    font-weight: 400;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin: 24px 0 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border: 1px solid var(--accent);
    color: var(--bg-dark);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    background: var(--accent);
    box-shadow:
        inset 0 0 10px rgba(255, 255, 255, 0.15),
        0 0 20px var(--accent-glow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, background 0.2s ease, filter 0.2s ease;
    filter: saturate(1.2);
}

.teaser .btn {
    margin: 0 auto;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow:
        inset 0 0 14px rgba(255, 255, 255, 0.2),
        0 0 35px rgba(0, 255, 156, 0.45);
    filter: saturate(1.4);
}

.trusted {
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 255, 156, 0.2);
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0.4;
    text-align: center;
}

.trusted[aria-hidden="true"] {
    filter: grayscale(1);
}

.trusted-label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.trusted-name {
    font-size: 20px;
    letter-spacing: 0.2em;
    color: var(--accent);
}

@keyframes glowPulse {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.1) rotate(4deg);
        opacity: 1;
    }
}

@keyframes gridDrift {
    0% {
        background-position: 0 0, 0 0;
    }
    100% {
        background-position: 40px 60px, -40px -60px;
    }
}

@keyframes particleDrift {
    0% {
        background-position: 0 0, 80px 120px;
    }
    100% {
        background-position: -160px -120px, -80px 40px;
    }
}

@keyframes rain {
    0% {
        background-position: 0 0, 0 0;
    }
    100% {
        background-position: -120px 0, 0 140px;
    }
}

@keyframes scanlinePulse {
    0% {
        opacity: 0.35;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        opacity: 0.35;
    }
}

@media (max-width: 600px) {
    .landing {
        padding: 32px 20px 48px;
    }

    .btn {
        width: 100%;
    }
}